<template>
    <div>
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <el-card>
            <div id="main" style="width: 600px;height:400px;"></div>
        </el-card>
    </div>
</template>

<script>

import _ from 'lodash'

export default {
    data(){
        return{

        }
    },
    async mounted(){
        // 基于准备好的dom，初始化echarts实例
        var myChart = this.$echarts.init(document.getElementById('main'));

        // 指定图表的配置项和数据
        var option = {
            title: {
                text: '用户来源'
            },
            tooltip: {
                trigger: 'axis',
                axisPointer: {
                type: 'cross',
                label: {
                    backgroundColor: '#E9EEF3'
                }
                }
            },
            grid: {
                left: '3%',
                right: '4%',
                bottom: '3%',
                containLabel: true
            },
            xAxis: [
                {
                boundaryGap: false
                }
            ],
            yAxis: [
                {
                type: 'value'
                }
            ]
        };

        const { data: res } = await this.$http.get('reports/type/1')

        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)

        _.merge(res.data,option)

        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(res.data);
    }
}
</script>

<style lang="less" scoped>

</style>